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Using Support Tools
Starting Dell Diagnostics
When you run Dell diagnostics, the computer
invokes the Pre‑boot System Assessment
(PSA). The PSA includes a series of diagnostic
tests for devices such as the system board,
keyboard, display, memory, hard drive, and
so on.
NOTE: If your computer cannot
display a screen image, contact Dell
(see “Contacting Dell” on page 61) for
assistance.
Ensure that the computer is connected 1.
to an electrical outlet that is known to be
working properly.
Turn on (or restart) your computer.2.
When the DELL logo appears, press <F12> 3.
immediately to access the Boot Menu.
NOTE: If you wait too long and the
operating system logo appears, continue
to wait until you see the Microsoft
Windows desktop; then, shut down your
computer and try again.
Select 4. Diagnostics from the boot menu
and press <Enter>. This will invoke the PSA
on your computer.
Follow the instructions that appear on the 5.
screen.
If you encounter a problem during the 6.
test, a message with the error code and
a description of the problem appears on
your screen. Write down the error code
and problem description and contact Dell
(see “Contacting Dell” on page 61).
If the PSA completes successfully, 7.
the following message appears : “No
problems have been found with
this system so far. Do you want
to run the remaining memory
tests? This will take about 30
minutes or more. Do you want to
continue? (Recommended).”